CVE-2025-57520

A Cross Site Scripting (XSS) vulnerability exists in Decap CMS thru 3.8.3. Input fields such as body, tags, title, and description are not properly sanitized before being rendered in the content preview pane. This enables an attacker to inject arbitrary JavaScript which executes whenever a user views the preview panel. The vulnerability affects multiple input vectors and does not require user interaction beyond viewing the affected content.
Configurations

Configuration 1 (hide)

cpe:2.3:a:techhub.p-m:decap_cms:*:*:*:*:*:*:*:*

History

17 Jun 2026, 09:43

Type Values Removed Values Added
Summary
  • (es) Existe una vulnerabilidad de Cross Site Scripting (XSS) en Decap CMS hasta la versión 3.8.3. Los campos de entrada como cuerpo, etiquetas, título y descripción no se sanean correctamente antes de ser renderizados en el panel de vista previa del contenido. Esto permite a un atacante inyectar JavaScript arbitrario que se ejecuta cada vez que un usuario ve el panel de vista previa. La vulnerabilidad afecta a múltiples vectores de entrada y no requiere interacción del usuario más allá de ver el contenido afectado.

16 Sep 2025, 17:35

Type Values Removed Values Added
References () https://github.com/decaporg/decap-cms - () https://github.com/decaporg/decap-cms - Product
References () https://onurcangenc.com.tr/blog/decap-cms-xss-analysis - () https://onurcangenc.com.tr/blog/decap-cms-xss-analysis - Broken Link
References () https://onurcangenc.com.tr/posts/cve-2025-57520--stored-xss-in-decap-cms-3-8-3/ - () https://onurcangenc.com.tr/posts/cve-2025-57520--stored-xss-in-decap-cms-3-8-3/ - Exploit, Third Party Advisory
CPE cpe:2.3:a:techhub.p-m:decap_cms:*:*:*:*:*:*:*:*
First Time Techhub.p-m
Techhub.p-m decap Cms

11 Sep 2025, 19:15

Type Values Removed Values Added
References () https://onurcangenc.com.tr/posts/cve-2025-57520--stored-xss-in-decap-cms-3-8-3/ - () https://onurcangenc.com.tr/posts/cve-2025-57520--stored-xss-in-decap-cms-3-8-3/ -
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 6.1
CWE CWE-79

10 Sep 2025, 17:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-09-10 17:15

Updated : 2026-06-17 09:43


NVD link : CVE-2025-57520

Mitre link : CVE-2025-57520

CVE.ORG link : CVE-2025-57520


JSON object : View

Products Affected

techhub.p-m

  • decap_cms
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')